Implement cast fp -> bool
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11728 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86ISelSimple.cpp b/lib/Target/X86/X86ISelSimple.cpp
index 78d5a1c..a5277c0 100644
--- a/lib/Target/X86/X86ISelSimple.cpp
+++ b/lib/Target/X86/X86ISelSimple.cpp
@@ -1978,8 +1978,10 @@
break;
}
case cFP:
- assert(0 && "FIXME: implement cast FP to bool");
- abort();
+ BMI(BB, IP, X86::FTST, 1).addReg(SrcReg);
+ BMI(BB, IP, X86::FNSTSWr8, 0);
+ BMI(BB, IP, X86::SAHF, 1);
+ break;
}
// If the zero flag is not set, then the value is true, set the byte to